For the next 8 days (including today) the Humble Bundle website is launching daily deals. The latest one has just launched, and is centered around melee games. They are:

Pay what you want:

Guilty Gear Isuka (Steam)

Pay more than the average to unlock:

Vanguard Princess (Steam)

Pay more than $10 to unlock:

Blade Symphony (Steam)

As always your contribution can be split between the developers, charity, Humble themselves, or distributed equally to all three parties.
This deal will only be up until 8pm on the 120th, so get buying.